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Meninges Definition


Updated February 10, 2010

Meninges, Layers of Meninges, Layers of Brain, Skull and Meninges

The Layers of the Skull and Meninges

Image: © ADAM
Definition: The meninges are the three thin but strong membranes that cover and protect the spinal cord and brain. The meninges are made up of the external layer, the dura mater, the middle layer, the arachnoid membrane, and the innermost layer, the pia mater. Meningitis, a very serious illness, is the inflammation of the meninges, caused by a bacterial or viral infection.
Pronunciation: men-in-geez
Also Known As: pia mater, dura mater, arachnoid mater, arachnoid membrane, meninx,
Common Misspellings: meningees, meningese, menenges,
Meningitis, or inflammation of the meninges, is often treated by antibiotics.
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